Events Parties Birthdays

Looking for a truly unbelievable birthday party for up to 100 guests? CoCo Key is one of the most unique birthday party places in MA. With private rooms available for rent, CoCo Key Water Park is a wonderful way to celebrate a birthday at any age!

We’ll take care of everything so you can sit back and enjoy the party.

Our Weekend Birthday Party Package Includes:Birthday Party

  • Three (3) hours of swim time
  • One (1) hour in a private party room
  • Complimentary access for (1) Birthday Child
  • Complimentary access for (2) Adult Chaperones
  • CoCo Key Goody Cup for each child including a $5 arcade card
  • Cheese Pizza or Hot Dogs, Unlimited Soda & Water – During hour meal time
  • 1/4 Sheet Chocolate, Vanilla or Marble Nut Free CoCo Themed Cake
  • Pricing:
    $48.25+7% tax per person, must pay for a 10 person minimum (children or adults at the per child rate).  16 % gratuity is automatically added to the package.  Additional adults who would like to participate in swimming/food provided are $15.00 each. This rate is valid on Saturday, Sundays, Holidays, during the Summer and on school breaks.  

Our Twilight Birthday Party Package includes:CoCo Key standard cake

  • (1) One Hour Private Party Room
  • Unlimited Swim Time following the Private Party Room
  • Complimentary Access for (1) Birthday Child
  • Complimentary Access for (2) Adult Chaperones
  • CoCo Key Goody Cup for each child including a $5 arcade card
  • Cheese Pizza or Hot Dogs, Unlimited Soda and Water
  • 1/4 Sheet Chocolate, Vanilla or Marble Nut Free CoCo Key Themed Cake
  • Pricing:  $27.45+7% tax per person, must pay for a 10 person minimum,  (children or adults at the per child rate).  16 % gratuity is automatically added to the package.  Additional adults who would like to participate in swimming/food provided are $10.00 each. This rate is only valid on select Thursday and Friday evenings during the school year.  

Party Package Upgrades:

Make your party extra special by adding one or more of the following items to your package:

CoCo cupcake pull-apart

CoCo Cupcake pull-apart cake - $30.00 extra

Arcade Cards in denominations of $5, $10, or $20 per card

All Day Swim - $10.00 per person

Invitations - $5.00 per dozen

Magic Show - $90.00 per half hour

Balloon Story Teller & Face Painter - $125.00 per hour


Have fewer than 10 guests? 
Now offering Small Group Cabana Parties:

  • During Twilight Thursday evenings only – not valid during school vacation weeks
  • Up to (8) children including the Birthday Child + (2) Adult Chaperones
  • Includes Cheese Pizza, Drinks and Cake
  • Pricing:  $229.95 Total

To find out more about how we can make your next birthday party special, please contact our Water Park Sales Manager at (978) 750 7971.

Download the birthday party waiver form here: Birthday Party Group Waiver Form

 

Join Our Birthday Club and Celebrate for Less!

Sign up for CoCoMail to receive the latest news on packages and promotions!  When you register up to five children at least six weeks before one of their birthdays, and you’ll also receive an email that lets you save $30 on our standard birthday party package. It’s just our way of making birthdays even more splash-tastic!